package com.sheyu.mall.search.service.Impl;

import com.alibaba.fastjson.JSON;
import com.sheyu.common.es.SkuEsModel;
import com.sheyu.mall.search.config.ElasticSearch;
import com.sheyu.mall.search.constant.EsConstant;
import com.sheyu.mall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author sheyu
 * @date 2020/8/11 8:53 下午
 */
@Service
@Slf4j
public class ProductSaveServiceImpl implements ProductSaveService {

    @Autowired
    RestHighLevelClient restHighLevelClient;

    @Override
    public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {

        //1、建立索引，建立映射关系

        //2、在es中保存这些数据

        BulkRequest bulkRequest = new BulkRequest();

        for (SkuEsModel skuEsModel:skuEsModels){
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);

            indexRequest.id(skuEsModel.getSkuId().toString());
            String jsonString = JSON.toJSONString(skuEsModel);
            indexRequest.source(jsonString, XContentType.JSON);
            bulkRequest.add(indexRequest);
        }
        BulkResponse bulkItemResponses = restHighLevelClient.bulk(bulkRequest, ElasticSearch.COMMON_OPTIONS);

        //TODO 如果批量错误
        boolean hasFailures = bulkItemResponses.hasFailures();
        List<String> collect = Arrays.asList(bulkItemResponses.getItems()).stream().map(item -> {
            return item.getId();
        }).collect(Collectors.toList());

        log.info("商品上架完成：{}",collect);

        return hasFailures;
    }
}
